new_variant: update end-to-end test for dedede

Dedede fitimage commits need to include an ME binary, so copy the
reference board's me_rw-${REF}.bin to make an ME binary for the
new board.

BUG=b:184746627
TEST=`new_variant_fulltest.sh waddledee` and
`new_variant_fulltest.sh waddledoo` succeed.

Change-Id: If40f38dcc73077d1850dfb84292b637e43258e41
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2811002
Tested-by: Paul Fagerburg <[email protected]>
Reviewed-by: Karthikeyan Ramasubramanian <[email protected]>
Commit-Queue: Paul Fagerburg <[email protected]>
1 file changed